Ion Formation and Bonds

Metals ______ electrons when they become ions.

• lose

• gain

• neither

What is an ion?

• A small atom

• A charged atom

• A large atom

• A cute atom

What is the electron configuration of the sodium atom after it loses an electron?

• 1s2 2s2 2p6

• [He]2s2 2p5

• 1s2 2s2 2p6 3s1

• 1s2 2s2 2p6 3s2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons are in a Li⁺ ion?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

What is the force that holds two atoms together?

• chemical bond

• magnetic force

• strong force

• physical bond

Tags

NGSS.HS-PS1-3

Select all that apply

Chemical bonds form by the attraction between ______.

• the charged ends of polar molecules

• positive ions and negative ions

• the nucleus of one atom and the electrons of another atom

• an atom and its own electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-3

What is a positively charged ion called?

• anion

• polyatomic ion

• complex ion

• cation

Select all that apply Elements tend to react to acquire ______.

• a filled outer energy level

• a valence electron configuration of 2s22p6

• eight electrons

• the stable electron structure of a noble gas

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A positive ion forms when an atom ______.

• loses one or more valence electrons in order to transform into a stable noble gas

• loses one or more valence electrons in order to attain a noble gas configuration

• gains one or more valence electrons in order to attain a noble gas configuration

• loses or gains valence electrons in order to attain a noble gas configuration

To attain a stable outer electron configuration, nonmetals ______________ one or more electrons.

• lose

• gain

• destroy

• dissolve